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Keep tree of type ascriptions of quote pattern splices #18412

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merged 1 commit into from
Aug 17, 2023

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nicolasstucki
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These trees where removed as part of an optimization. However, they should be kept around to allow for better error messages and IDE navigation.

The type of the ascription in pickled in the TASTy file but is elided in the pickled quote pattern (same optimization already done later).

Fixes #18409

@nicolasstucki nicolasstucki force-pushed the fix-18409 branch 3 times, most recently from 990faff to c34c741 Compare August 16, 2023 15:46
These trees where removed as part of an optimization. However, they
should be kept around to allow for better error messages and IDE navigation.

The type of the ascription in pickled in the TASTy file but is elided in
the pickled quote pattern (same optimization already done later).

Fixes scala#18409
@nicolasstucki nicolasstucki added the backport:nominated If we agree to backport this PR, replace this tag with "backport:accepted", otherwise delete it. label Aug 17, 2023
@nicolasstucki nicolasstucki requested a review from jchyb August 17, 2023 09:11
super.transform(tree)
case tree: SplicePattern =>
if !ctx.reporter.errorsReported then
Checking.checkAppliedTypesIn(TypeTree(tree.tpe).withSpan(tree.span))
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This was a workaround that we added to check the types of the splices because we removed them in QuotesAndSplices. Now those types are checked directly on their ASTs.

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LGTM!

@nicolasstucki nicolasstucki marked this pull request as ready for review August 17, 2023 11:24
@nicolasstucki nicolasstucki merged commit 38350ec into scala:main Aug 17, 2023
@nicolasstucki nicolasstucki deleted the fix-18409 branch August 17, 2023 11:24
@Kordyjan Kordyjan removed the backport:nominated If we agree to backport this PR, replace this tag with "backport:accepted", otherwise delete it. label Oct 10, 2023
@Kordyjan Kordyjan added this to the 3.4.0 milestone Dec 20, 2023
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Regression in arainko/ducktape: -Wunused:all false-positive in quotes
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